<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>ZLX</title>
</head>
<body>
    <form>
        <label for="username">用户名：</label> <input type="text" id="username" /><br />
        性别： <label for="man">男</label><input type="radio" id="man" name="sex" /> <label for="woman">女</label><input type="radio" id="woman" name="sex" />
    </form>
</body>
</html>